APA (7th ed.) Citation

Thornton, I. W. B. (1971). Darwin's islands: A natural history of the Galápagos ([First edition].). Published for the American Museum of Natural History [by] Natural History Press.

Chicago Style (17th ed.) Citation

Thornton, I. W. B. Darwin's Islands: A Natural History of the Galápagos. [First edition]. Garden City, N.Y.: Published for the American Museum of Natural History [by] Natural History Press, 1971.

MLA (9th ed.) Citation

Thornton, I. W. B. Darwin's Islands: A Natural History of the Galápagos. [First edition]. Published for the American Museum of Natural History [by] Natural History Press, 1971.